Home / 748,168.26-1,032,472.18-408,637.32

Finding the Fourth Proportional to 748,168.26, 1,032,472.18 and 408,637.32

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Solution

The fourth proportional to 748,168.26, 1,032,472.18 and 408,637.32 is: 563,919.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,168.26 : 1,032,472.18 = 408,637.32 : x
  2. Step 2: Convert to fraction form
    748,168.26/1,032,472.18 = 408,637.32/x
  3. Step 3: Cross multiply
    748,168.26x = 1,032,472.18 × 408,637.32
  4. Step 4: Simplify right side
    748,168.26x = 421,906,664,609.76
  5. Step 5: Solve for x
    x = 421,906,664,609.76/748,168.26
  6. Step 6: Final answer
    x = 563,919.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.